This medicine can show some obnoxious effects such as a headache blocked or a runny nose, facial flushing, nausea, muscle discomfort, dizziness, upset stomach, back pain, inexact vision, and priapism.

• During administration, you are suggested to avoid taking grapefruit juice, nitrate products, herbal supplements, fatty foods, alcohol and dietary products as these may affect the action of this medicine. You must leave the use of alcohol, tobacco products, and sedative products along with this medicine as these may enhance the side effects. After taking the medicine avoid driving or operating any machinery until you feel better or recovered.